package week3;

/**
 * Created by Administrator on 2016/3/19.
 */
public class Average {
    public static void main(String[] args) {
        long sum = 0;
        for (String arg :args){
            sum += Long.parseLong(arg);
        }
        System.out.println("平均："+(float) sum / args.length);
    }
}
